All specs are the same for both the 4x5 and the 5x7 EXCEPT the dimensions of
the 5x7 are 9.5" x 10.375" x 4.125" which equals
241.3 mm x 263.53 mm x 104.775 mm.

This 4x5/5x7 field camera has a modular design. The camera can be used with either a 5x7 or a 4x5 back, or the entire rear standard / bellows / back assembly can be removed and replaced with a 4x10 rear standard / bellows / back assembly or a 5x12 rear standard / bellows / back assembly.